Close editor when a conversation is deleted

Added a connection to ChatManager::conversationDeleted in ChatEditor.
When a conversation is deleted, the handler opens a temporary editor for
the conversation ID (using EditorManager::openEditorWithContents with
flags that keep it hidden) and immediately closes it with
EditorManager::closeEditors.

This forces the editor manager to clean up any open editors that were
referencing the deleted conversation.

Author: cristianadam

llamachateditor.cpp

@@ -126,6 +126,21 @@ ChatEditor::ChatEditor()
                 m_document->setPreferredDisplayName(chat.conv.name);
                 EditorManager::instance()->updateWindowTitles();
             });
+    connect(&ChatManager::instance(),
+            &ChatManager::conversationDeleted,
+            this,
+            [this](const QString &convId) {
+                QString name;
+                IEditor *ed = EditorManager::openEditorWithContents(
+                    Constants::LLAMACPP_VIEWER_ID,
+                    &name,
+                    convId.toUtf8(),
+                    convId,
+                    EditorManager::DoNotMakeVisible | EditorManager::DoNotSwitchToEditMode
+                        | EditorManager::DoNotChangeCurrentEditor);
+
+                EditorManager::closeEditors({ed}, false);
+            });
     connect(&ChatManager::instance(),
             &ChatManager::followUpQuestionsReceived,
             this,